$OpenBSD: patch-m4_mkdirp_m4,v 1.2 2010/07/22 11:37:15 ajacoutot Exp $
--- m4/mkdirp.m4.orig	Sun Jan  9 14:04:08 2005
+++ m4/mkdirp.m4	Thu Jul 22 12:53:22 2010
@@ -57,7 +57,7 @@ else
   if test -f "$ac_aux_dir/mkinstalldirs"; then
     mkdir_p='$(mkinstalldirs)'
   else
-    mkdir_p='$(install_sh) -d'
+    mkdir_p='$(SHELL) $(install_sh) -d'
   fi
 fi
 AC_SUBST([mkdir_p])])
